Oil Pump Removal/Inspection - Polaris Sportsman 400 Service Manual

OIL PUMP REMOVAL/INSPECTION

1. Remove pump shaft bearing (A) and thrust washer (B)
from pump shaft.
2. Remove (2) bolts holding pump drive gear (C).
NOTE: On 500 H.O. models this gear is retained by (3)
bolts.
3. Inspect drive gear teeth for cracks, damage or
excessive wear.
4. Remove three oil pump retaining bolts and pump.
5. Inspect mating surface of crankcase and oil pump.
Check for nicks, burrs, or surface irregularities.
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ENGINE
C B
A
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